Laboratory performance check

3,3',5,5'-Tetrabromobiphenyl, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 16400-50-3

Pesticide Mix #1

2,2',6-Trichlorobiphenyl ,100 µg/mL,isooctane,1mL,